Ensure your above-ground pool stays crystal clear and clean with the Bestway 3,000 Gallon Sand Filter Pump. This powerful pump outperforms traditional filter cartridge pumps by lasting longer, being more environmentally friendly, and requiring less maintenance. The included pre-filter strainer basket catches larger debris, enhancing the pump's efficiency and longevity. The pool cleaning tool is compatible with above ground pools ranging from 300 to 17,600 gallons. With 2 included adapters, the sand pump can be connected to 1.5 in. (3.8 cm) threaded valves or 1.25 in. (3.2 cm) valves, allowing for use with just about any above ground pool on the market. Featuring a 6-position handle, you can easily switch between filter functions such as filter, closed, backwash, rinse, drain, and circulate - making the pump incredibly easy to operate and maintain. This durable pump resists corrosion for lasting use and comes pre-assembled for convenience - just plug it in and power it up to immediately improve your pool's filtration. The pool accessory uses approximately 79.4 lbs (36 kg) #20 silica sand, 0.45-0.85 mm or 2.20 lbs (1,000 g) Polysphere Pool Filtration Balls, both are sold separately. Designed for low maintenance and high efficiency, this pump system lets you focus on enjoying pool time with family and friends rather than worrying about cleaning it. With the Bestway 3,000 gallon Sand Filter Pump, you'll have an enjoyable swimming experience all summer long.